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WSP06690
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Last modified
1/26/2010 2:23:56 PM
Creation date
10/12/2006 1:48:18 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8277.500.10
Description
Price and San Rafael Basin Unit - Colorado River Water Quality Improvement Program
State
UT
Basin
Colorado Mainstem
Date
1/1/1983
Title
Appraisal Level Designs and Cost Estimates Status Report
Water Supply Pro - Doc Type
Report/Study
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<br />. <br /> <br />. <br /> <br />[ <br />[ <br />[ <br />[ <br />L <br />[ <br />[ <br />[ <br />[- <br />L <br />[- <br />[. <br />[~ <br />[J <br />[J <br />[J <br />~ <br /> <br />. <br /> <br />. <br /> <br />MITIGATION <br /> <br />1. It has been assumed that mitigation for wetlands can <br />be carried out close to watercourses so that it does <br />not contribute salt loading. This issue cannot be <br />resolved until a detailed mitigation plan is devel- <br />oped, which is beyond the scope of this study. <br /> <br />2. <br /> <br />Mi tiga1:_~()!l:. <br />--- <br />one-for-one <br /> <br />has <br /> <br />been <br /> <br />based <br /> <br />on <br /> <br />substituting, on a <br />use on mitigation <br />consumptive use. It <br />quali ty lost versus <br />impact the exchange <br /> <br />basis, consumptive <br />',.----,--.---. - <br />wetlands for lost phreatophyte <br />does not address the issue of <br /> <br />mitigation quality which could <br />rate. <br /> <br />FUTURE STUDY <br /> <br />1. If any of the irrigation improvement alternatives stay <br />in contention for the recommended plan, it is suggest- <br />ed that an economic study of the agricultural area be <br />carried out to determine future trends in agriculture <br />which may negate the salinity impacts of irrigation <br />improvements. <br /> <br />2. If the desalting alternatives stay in contention, some <br />optimization of the desalting recovery rate could re- <br />duce the volume of brine to be disposed of and the <br />cost of disposal. <br /> <br />3. Some savings could be made in the evaporation disposal <br />of return flows by substituting wetlands, with their <br />higher evapotranspiration rate, for a portion of the <br />evaporation pond acreage. <br /> <br />" - ,. 4 ~, <br />, ; , " I" <br />""'.' "" v <br /> <br />11-6 <br /> <br />, <br />
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